Air grinders

A rotary tool can be used for the rough treatment of surfaces and for finishing. For example, with its help, you can cut, grind, and polish.

Rotary tools: 9 important facts

1. This category comprises many power tools. They have an electric motor that transmits rotation through the shaft to the attachment. Some models need to be connected to the mains via a power cord and others are fitted with a battery. Corded devices are designed for a significant workload. Cordless ones are convenient to use when access to power supplies is restricted. The electric motor can be inside the tool’s housing or outside it. In the latter case, tools feature a higher torque and withstand continuous loads.
2. You can buy an air rotary tool. The attachment is driven by compressed air supplied by a compressor or other equipment.
3. When choosing tools from the catalogue, it is necessary to consider the tasks you’re going to accomplish with it and pay attention to the number of revolutions made in a certain period of time (usually, per minute). For example, polishing requires a low rpm and cutting and grinding – high.
4. Before you switch on the device, make sure that the interchangeable attachment is securely fixed. If the attachment is damaged, it mustn’t be used.
5. It is recommended to wear personal protective equipment while working with this tool. It includes special gloves, goggles, a respirator.
6. Compressed air that powers air rotary tools should be clean. For this, air hoses are fitted with a drier and filter.
7. It is also desirable to equip the airline with an automatic lubricating device. However, you can add oil manually as well. It is forbidden to lubricate tools with agents containing volatiles.
8. When using air tools, always make sure that the hose isn’t kinked.
9. When the work is done, clean dirt from air vents. It is usually enough to use a soft dry cloth. If it is difficult to eliminate the contaminants, soak the cloth in soapy water.

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